Rust and dynamically-sized thin pointers
One of Rust's notable differences from C is its requirement that all values have a defined size, which enables runtime bounds-checking and advanced static analysis tooling such as MIRI. For dynamically-sized types (DSTs) this requirement is implemented using thick pointers, such that each pointer to a dynamically-sized value is an (address, size) tuple. Thick pointers are more convenient and easie
Improved UNIX socket networking in QEMU 7.2
QEMU 7.2 quietly introduced two new network backends, -netdev dgram and -netdev stream. Unlike the older -netdev socket, these new backends directly support AF_UNIX socket addresses without the need for an intermediate wrapper tool. The situation up until nowQEMU has a -netdev socket network backend, which will send/receive Ethernet frames via TCP (the connect= and listen= modes) or UDP (the mcast
UNIX Syscalls
LinuxLinux syscalls are defined in include/linux/syscalls.h. Syscalls use the same parameter order across platforms, but some (e.g. sys_stat64) are only defined on some platforms, and others (e.g. sys_clone) have different parameters depending on kernel compilation options. Syscall numbers are platform-dependent. Manpage syscalls(2) lists syscalls and which kernel version they were added in. Manpa
Why I Ripped The Same CD 300 Times
I collect music by buying physical CDs, digitizing them with Exact Audio Copy, and scanning the artwork. This is sometimes challenging if the CD was self-published in a limited run in a foreign country ten years ago. It is very challenging if the CDs have an innate defect that renders some tracks unreadable. (Русский перевод: Зачем я рипнул один компакт-диск 300 раз) UPDATE (2018-08-10): See the f
Calling Python libraries from Haskell
Calling Python libraries from HaskellHaskell’s a great language; it’s efficient, consistent, terse, reliable, and so on. But if there’s one thing Haskell’s not, it’s “batteries included”. Compared to popular dynamic languages, such as Python and Ruby, Haskell has a very limited module library. Writing bindings to Python libraries (via the Python/C API) is an easy and practical approach to reusing
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